{"database": "openregs", "table": "federal_register", "rows": [["E7-16398", "Proposed Amendment to Class E Airspace; Helena, MT", "Proposed Rule", "This action proposes to modify Class E airspace at Helena, MT. Additional controlled airspace is necessary to accommodate aircraft using a new Localizer (LOC) Back Course (BC)-C Standard Instrument Approach Procedures (SIAP) at Helena Regional Airport. The FAA is proposing this action to enhance the safety and management of aircraft operations at Helena Regional Airport, Helena, MT.", "2007-08-21", 2007, 8, "https://www.federalregister.gov/documents/2007/08/21/E7-16398/proposed-amendment-to-class-e-airspace-helena-mt", "https://www.govinfo.gov/content/pkg/FR-2007-08-21/pdf/E7-16398.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "This action proposes to modify Class E airspace at Helena, MT. Additional controlled airspace is necessary to accommodate aircraft using a new Localizer (LOC) Back Course (BC)-C Standard Instrument Approach Procedures (SIAP) at Helena Regional Airport....", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["E7-16398"], "units": {}, "query_ms": 28.247467009350657, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}